CVE-2020-7457

In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution.

CVSS v3 8.1 HIGH
CVSS v2.0 6.8 MEDIUM

8.1^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.html	Exploit Third Party Advisory VDB Entry
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc	Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20200724-0002/	Third Party Advisory
http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.html	Exploit Third Party Advisory VDB Entry
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc	Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20200724-0002/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:freebsd:freebsd:11.3:-::::::
	cpe:2.3:o:freebsd:freebsd:11.3:p1::::::
	cpe:2.3:o:freebsd:freebsd:11.3:p10::::::
	cpe:2.3:o:freebsd:freebsd:11.3:p2::::::
	cpe:2.3:o:freebsd:freebsd:11.3:p3::::::
	cpe:2.3:o:freebsd:freebsd:11.3:p4::::::
	cpe:2.3:o:freebsd:freebsd:11.3:p5::::::
	cpe:2.3:o:freebsd:freebsd:11.3:p6::::::
	cpe:2.3:o:freebsd:freebsd:11.3:p7::::::
	cpe:2.3:o:freebsd:freebsd:11.3:p8::::::
	cpe:2.3:o:freebsd:freebsd:11.3:p9::::::
	cpe:2.3:o:freebsd:freebsd:11.4:-::::::
	cpe:2.3:o:freebsd:freebsd:11.4:beta1::::::
	cpe:2.3:o:freebsd:freebsd:11.4:rc2::::::
	cpe:2.3:o:freebsd:freebsd:12.1:-::::::
	cpe:2.3:o:freebsd:freebsd:12.1:p1::::::
	cpe:2.3:o:freebsd:freebsd:12.1:p2::::::
	cpe:2.3:o:freebsd:freebsd:12.1:p3::::::
	cpe:2.3:o:freebsd:freebsd:12.1:p4::::::
	cpe:2.3:o:freebsd:freebsd:12.1:p5::::::
	cpe:2.3:o:freebsd:freebsd:12.1:p6::::::

History

21 Nov 2024, 05:37

Type	Values Removed	Values Added
References	~~() http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.html - Exploit, Third Party Advisory, VDB Entry~~	() http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.html - Exploit, Third Party Advisory, VDB Entry
References	~~() https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc - Patch, Vendor Advisory~~	() https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc - Patch, Vendor Advisory
References	~~() https://security.netapp.com/advisory/ntap-20200724-0002/ - Third Party Advisory~~	() https://security.netapp.com/advisory/ntap-20200724-0002/ - Third Party Advisory

Information

Published : 2020-07-09 14:15

Updated : 2024-11-21 05:37

NVD link : CVE-2020-7457

Mitre link : CVE-2020-7457

CVE.ORG link : CVE-2020-7457

JSON object : View

Products Affected

freebsd

freebsd

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-416

Use After Free

CWE-662

Improper Synchronization

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"confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2020-07-09T14:15:10.917", "references": [{"url": "http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "secteam@freebsd.org"}, {"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc", "tags": ["Patch", "Vendor Advisory"], "source": "secteam@freebsd.org"}, {"url": "https://security.netapp.com/advisory/ntap-20200724-0002/", "tags": ["Third Party Advisory"], "source": "secteam@freebsd.org"}, {"url": "http://packetstormsecurity.com/files/158695/FreeBSD-ip6_setpktopt-Use-After-Free-Privilege-Escalation.html", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:20.ipv6.asc", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.netapp.com/advisory/ntap-20200724-0002/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "CWE-416"}, {"lang": "en", "value": "CWE-662"}]}], "descriptions": [{"lang": "en", "value": "In FreeBSD 12.1-STABLE before r359565, 12.1-RELEASE before p7, 11.4-STABLE before r362975, 11.4-RELEASE before p1, and 11.3-RELEASE before p11, missing synchronization in the IPV6_2292PKTOPTIONS socket option set handler contained a race condition allowing a malicious application to modify memory after being freed, possibly resulting in code execution."}, {"lang": "es", "value": "En FreeBSD versiones 12.1-ESTABLE anteriores a r359565, versiones 12.1-RELEASE anteriores a p7, versiones 11.4-ESTABLE anteriores a r362975, versiones 11.4-RELEASE anteriores a p1 y 11.3-RELEASE anteriores a p11, una falta de sincronizaci\u00f3n en el manejador del conjunto de opciones del socket IPV6_2292PKTOPTIONS conten\u00eda una condici\u00f3n de carrera que permit\u00eda una aplicaci\u00f3n maliciosa para modificar la memoria despu\u00e9s de ser liberada, resultando posiblemente en una ejecuci\u00f3n de c\u00f3digo"}], "lastModified": "2024-11-21T05:37:10.960", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F35957CE-AF9F-40CA-BDD1-FA6A0E73783F"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA929713-B797-494A-853D-C121D9D69519"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p10:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B87AF171-95AC-4DDA-8D94-694F85638B46"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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8.1 /10